Editando: pair.go
// run // Copyright 2021 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "fmt" "unsafe" ) type pair[F1, F2 any] struct { f1 F1 f2 F2 } func main() { p := pair[int32, int64]{1, 2} if got, want := unsafe.Sizeof(p.f1), uintptr(4); got != want { panic(fmt.Sprintf("unexpected f1 size == %d, want %d", got, want)) } if got, want := unsafe.Sizeof(p.f2), uintptr(8); got != want { panic(fmt.Sprintf("unexpected f2 size == %d, want %d", got, want)) } type mypair struct { f1 int32 f2 int64 } mp := mypair(p) if mp.f1 != 1 || mp.f2 != 2 { panic(fmt.Sprintf("mp == %#v, want %#v", mp, mypair{1, 2})) } }
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